uint32 FROM_NVM           = 1
uint32 CALIBRATING        = 2
uint32 CALIBRATED         = 3
uint32 FROM_COMMAND       = 4
uint32 RESET              = 5
uint32 FROM_DUAL_ANT      = 6
uint32 INS_CONVERSING     = 7
uint32 INSUFFICIENT_SPEED = 8
uint32 HIGH_ROTATION      = 9

uint32 status